Biomechanics part 1 & 2 Flashcards
Discus, javelin and ski jumpers have an ________ shape. Where air pressure is ___ above and ____ below to create an upwards lift force
aerofoil, low, high
Creation of additional lift force on a projectile (due to movement of air from high to low pressure) is the b__________ p___________
bernoulli principle
Flight path symmetrical about it’s highest point caused by dominant force of weight is what type of flight path?
parabolic e.g. shot putt
Sporting example of a non-parabolic flight path is a s_______cock (badminton)
shuttlecock
Slice shot goes to the left or right?
Right (Slice-Rice)
The memory hook for planes and axis is?
Tuna, Smells, Fishy (Planes)
Lollies, Taste, Fruity (Axis)
Bernoulli principle. Air under low pressure travels at a ___ velocity
high
Backspin is an attacking or defensive shot?
Defensive-causes ball to float/travel further/longer flight path
Topspin is an attacking or defensive shot?
Attacking-causes ball to dip/comes down more quickly/shorter flight path
Aerofoil shapes create an __wards lift force
up
Track cyclists and F1 cars have an _______ aerofoil shape. Where air pressure is ____ above and ____ below.
inverted, high, low
Most favourable angle of release for a projectile to create lift is called the angle of a_____ ?
attack-45 degrees when starting height and landing height are same
A flight path asymmetrical about its highest point caused by a dominant force of air resistance is what type of flight path?
Non parabolic
Hook shot goes to the right or left?
Left (Hook-Look)
Spin (rotation) is created by an e________ force applied outside the centre of mass (CoM)
eccentric
Ice skating pirouette: during mid flight moment of inertia (resistance to rotation) is ____ and angular velocity is ____
low, high
What type of spin makes a ball dip and shoot forward off the surface?
Top spin
Sporting example of parabolic flight path is s___ p___
shot putt